CN215153861U

CN215153861U - Roller blind assembly and roller sleeve

Info

Publication number: CN215153861U
Application number: CN202120194727.3U
Authority: CN
Inventors: E·施泰纳
Original assignee: Webasto SE
Current assignee: Webasto SE
Priority date: 2020-01-31
Filing date: 2021-01-25
Publication date: 2021-12-14
Anticipated expiration: 2031-01-25
Also published as: DE202020100537U1

Abstract

A roller blind assembly for a motor vehicle, comprising a roller blind web (12) which can be wound up or unwound on a roller (14) and which is guided in guide rails (18A, 18B) by guide strips (21A, 21B) on the edges of the roller blind web arranged on both sides with respect to a longitudinal center plane of the roller blind, the guide strips (21A, 21B) being attached to a roller sleeve (22) which is arranged on the end of the roller (14) and comprises a sleeve body (24), the guide strips (21A, 21B) each having at least one fixing hole (34) which is passed through by a retaining element of the roller sleeve (22) moulded on the sleeve body (24), the guide strips (21A, 21B) being attached to the roller sleeve, the roller sleeve (22) each having a retaining tab (36) which overlaps the guide strips (21A, 21B), which retain the retaining tabs retain the retaining element and the fixing holes (34) in a circumferential direction offset relative to the retaining element in one piece Is rigidly formed on the circumferential surface of the sleeve body (24).

Description

Roller blind assembly and roller sleeve

Technical Field

The utility model relates to a roll up curtain subassembly and a roll sleeve.

Background

Roller blind assemblies of the type mentioned at the outset are known in practice and are used, for example, in the case of convertible or panoramic roofs for screening transparent sections, for example for screening glass cover elements or glass fixed roof elements. The roller blind assembly comprises a roller blind web which is made of a windable material and can be wound up on a winding shaft or unwound from a winding shaft. The winding shaft is a winding element on which the roller blind web is formed in the rolled-up state as a roller blind, and can be formed by a roller tube which is prestressed in the rolling-up direction by means of a winding spring, so that the roller blind web is rolled up autonomously on the winding shaft in the case of a corresponding release. The unwinding of the roller blind web from the winding shaft is effected by operating a draw bow (zugsporegel) which is arranged on the end side of the roller blind web facing away from the winding shaft. On the edges of the roller blind web arranged on both sides with respect to the roller blind longitudinal center plane, the roller blind web is respectively guided in guide rails by guide belts, which are connected to the roller blind web. The guide strip is also guided into the region of the reel and is attached there to a roll sleeve which is arranged on the end of the reel.

SUMMERY OF THE UTILITY MODEL

The object of the invention is to provide a roller blind assembly constructed according to the type mentioned at the outset, in which a structurally simple attachment of the guide strip to the roller sleeve can be achieved.

According to the invention, this task is solved by a roller blind assembly having the features of the invention.

According to the utility model provides a: in each case a retaining tab is provided on the reel sleeve, which retaining tabs keep the guide strip in question in engagement with the retaining elements of the sleeve body, i.e. they thereby overlap the guide strip in question. The retaining webs are formed rigidly on the circumferential surface of the sleeve body and are arranged offset in the circumferential direction with respect to the retaining elements. The guide strip is only required to be moved under the holding element during assembly so that the fixing hole cooperates with the holding element. The relative arrangement produced between the guide strip and the winding sleeve is fixed by the retaining strip. The retaining tab thus causes the guide strip concerned to be reliably retained on the winding sleeve. No additional components are required to ensure reliable retention. No deformation of the holding element is necessary after the thermoforming process or the like. The guide strip can thus be fitted on the winding sleeve in a simple manner.

In order to enable the retaining strip to be bent during assembly of the guide strip in question and to be able to exert a retaining force on the guide strip via said retaining strip, the retaining strip is in a preferred embodiment of the roller blind assembly according to the invention spring-elastically configured.

In a particular embodiment of the roller blind assembly according to the invention, the retaining piece spans a recess which is formed on the circumference of the sleeve body. The recess increases the movement clearance space of the retaining tab and gives installation space for the guide strip fixed on the roll sleeve in question.

In practice, the guide strip is oriented relative to the winding shaft or the winding sleeve in such a way that it is unwound or wound onto the winding sleeve parallel to the pull-out direction from the winding sleeve. The orientation can be predetermined in particular by the fact that the winding sleeves each have two holding elements which are arranged one behind the other in the circumferential direction. In practice, the holding element is fitted into two fastening holes of the guide strip arranged one behind the other.

The guide strip of the roller blind assembly according to the invention can be designed as a hole strip and/or be made of metal or plastic. In particular, the guide strips are respectively bending-elastic strips.

It is also conceivable for the guide strips to each form a roller blind spring which rolls up autonomously outside the guide rail concerned and thus supports or also causes the rolling up of the roller blind web onto the roller shaft.

In order to also better ensure that the guide strips are securely held on the reel sleeves, it is also advantageous if the guide strips are each latched on at least one holding element of the reel sleeve concerned. The holding element is in particular designed in the form of a stud or also as a pin (Dorn), which can have a undercut here.

The roll sleeves are preferably each constructed as a plastic injection molded part.

Furthermore, the roll sleeves can each have at least one rib which extends in the axial direction and projects radially outward and which engages into the roll tube of the reel. The roll sleeve is thus connected to the roll tube in a rotationally fixed manner.

The invention also relates to a roll sleeve comprising a sleeve body and a retaining disk, wherein the sleeve body is provided with at least one retaining element on its circumferential surface, and wherein the retaining disk is formed rigidly in one piece on the circumferential surface of the sleeve body in the circumferential direction offset relative to the retaining element.

Drawings

Other advantages and advantageous configurations of the subject matter of the invention can be extracted from the description, the drawings and the claims.

One embodiment of a roller blind assembly according to the invention, which is schematically shown in simplified form in the drawings and explained in detail in the following description, has a roller sleeve constructed according to the invention. It shows that:

fig. 1 is a top view of a roller shade assembly having a guide rail on the side according to the present invention;

fig. 2 is a perspective bottom view of the roller blind assembly in the area II of fig. 1, without the roller blind web and the guide rail;

fig. 3 corresponds essentially to the perspective bottom view of fig. 2, without however showing the lateral guide strip;

fig. 4 is a bottom view of the roller blind assembly in the area II of fig. 1, without the roller blind web however being shown;

FIG. 5 is a cross-sectional view of the roller shade assembly taken along line B-B of FIG. 4;

FIG. 6 is a perspective view of the roller sleeve alone of the roller shade assembly;

FIG. 7 is a top view of the roll sleeve according to FIG. 6;

FIG. 8 is a cross-sectional view of the roll sleeve taken along line A-A of FIG. 7; and

FIG. 9 is a cross-sectional view of the roll sleeve taken along line B-B in FIG. 7.

Detailed Description

In the figures, a roller blind assembly 10 is shown, which forms a screening device of a motor vehicle and in this case forms, for example, a panoramic roof of the motor vehicle concerned. The roller blind assembly 10 comprises a roller blind web 12 composed of a windable material, for example composed of a textile material, a film composite or a film. On its rear edge oriented with respect to the vehicle, the roller blind web 12 is attached to a roller shaft 14, which is rotatably supported on support elements 16 arranged on both sides with respect to a vertical roller blind longitudinal center plane. In order to be able to wind up the roller blind web 12 onto the roller tube 14, the roller tube 14 comprises a roller tube which is prestressed in the winding direction by means of a winding spring arranged therein.

The roller blind assembly 10 further comprises two

guide rails

18A and 18B which are arranged symmetrically with respect to a vertical roller blind longitudinal center plane and in which, on the one hand, a pulling bow 20 is guided by means of its ends, which is attached to the edge of the roller blind web 12 facing away from the roller shaft 14, and, on the other hand, the roller blind web 12 is guided with its longitudinal edges by

guide strips

21A or 21B, respectively, which are attached to the roller blind web 12 and are wound up together with the roller blind web 12 onto the roller shaft 14 or are unwound from the roller shaft 14. The

guide belts

21A and 21B are made of metal, respectively.

In order to be able to fix the roller blind web 12 in the pulled-out position at least partially covering the transparent top side, the pulling bow 20 can be fixed at any position along the

guide rails

18A and 18B.

The winding shaft 14 has a winding sleeve 22 on each side with respect to the vertical longitudinal center plane of the roller blind, which is inserted in a rotationally fixed manner into the winding tube of the winding shaft 14. The roll sleeve 22 serves to support the reel 14 on the support element 16, which is attached to the tail-side end of the

guide rails

18A and 18B, and to fix the

respective guide strip

21A or 21B on the reel 14.

The winding sleeves 22 are each designed as a plastic injection-molded part and each have a sleeve body 24 which surrounds an at least largely cylindrical cavity 26 and is divided into an insertion region E and a fastening region F. In the insertion region E, the sleeve body 24 has longitudinal ribs 28 which extend in the axial direction with respect to the axis Y of the roll sleeve 22 and engage in corresponding contours on the inside of the roller tube 14, so that the roll sleeve 22 is inserted into the roller tube in a rotationally fixed manner. In addition, the upper side of the rib 28 is corrugated, thereby allowing the roll sleeve 22 to be secured against loosening from the roll tube, at least to some extent.

The

respective guide strip

21A or 21B is attached in a fixed section F, in which the coil sleeve 22 has a collar-like rib 30, on which two retaining studs 32 arranged one behind the other in the circumferential direction of the coil sleeve 22 are arranged approximately in the radial direction. In the assembled state shown in fig. 2, 4 and 5, the retaining stud 32 fits into the two fixing holes 34 of the

guide strip

21A or 21B concerned. The locking of the guide strip on the roll sleeve 22 concerned is achieved by fitting a retaining stud 32, which is provided with a lateral recess if appropriate, into a fixing hole 34 of the

guide strip

21A or 21B.

In order to further fasten the

guide strips

21A and 21B on the roller sleeves 22, the roller sleeves each have a retaining tab 36 which is arranged between the two retaining studs 32 in the circumferential direction of the sleeve body 24. The retaining tabs 36 are formed in one piece with the sleeve body 24 and are rigidly molded onto ribs 38 of the sleeve body 24 which extend in the circumferential direction. The retaining tabs 36, which are formed on the circumferential surface of the sleeve body, overlap the

respective guide strip

21A or 21B between the two retaining studs 32 and thus ensure that the retaining studs 32 and the fixing holes 34 of the

guide strip

21A or 21B concerned remain in engagement. A recess 40 is formed in the sleeve body 24 below the retaining lug 36, in which recess the region of the

guide strip

21A or 21B concerned, which is arranged between the two retaining lugs 32, is received.

The recess 40 and the retaining tab 36 extend parallel to the axis Y of the roll sleeve 22.

The one-piece molding of the holding webs 36 with the sleeve body 24 does not require any additional components for assembly, that is to say for the attachment of the

guide strip

21A or 21B in question. In particular, the assembly is also simple in design, since no elaborate processes (for example welding processes) are required for attaching the guide strips 21A and 21B to the coil sleeve 22. Thus, it is ensured that the

guide strip

21A or 21B concerned is reliably held on the reel sleeve 22 concerned.

List of reference numerals

10 roller blind assembly

12 rolling screen

14 reel

16 support element

18A, B guide rail

20-pull bow

21A, B guide belt

22-roll sleeve

24 sleeve body

26 cavity

28 Rib

30 rib

32 holding column cap

34 fixed hole

36 holding sheet

38 rib

40 recess

E insertion area

And F, fixing the area.

Claims

1. Roller blind assembly for a motor vehicle, comprising a roller blind web (12) which can be wound up on a roller (14) or can be unwound from the roller (14) and is guided in guide rails (18A, 18B) by guide strips (21A, 21B) on the edges of the roller blind web which are arranged on both sides with respect to a longitudinal center plane of the roller blind, wherein the guide strips (21A, 21B) are each attached to a roller sleeve (22), which is arranged on the end of the roller (14) and comprises a sleeve body (24), wherein the guide strips (21A, 21B) each have at least one fixing hole (34) which is penetrated by a retaining element of the roller sleeve (22) molded on the sleeve body (24), to which the respective guide strip (21A, 21B) is attached, characterized in that the roll sleeves (22) each have a retaining tab (36) which overlaps the respective guide strip (21A, 21B), which retaining tabs hold the retaining element in engagement with the fastening opening (34) and which retaining tabs are formed rigidly in one piece on the circumferential surface of the sleeve body (24) offset in the circumferential direction with respect to the retaining element.

2. Roller shutter assembly according to claim 1, characterized in that the retaining sheet (36) is resiliently configured.

3. Roller shutter assembly according to claim 1 or 2, characterized in that the retaining tab (36) overlaps a recess which is formed on the periphery of the sleeve body (24).

4. Roller shutter assembly according to claim 1 or 2, characterized in that the roller sleeves (22) each have two retaining elements which are arranged one behind the other in the circumferential direction of the sleeve body (24).

5. Roller shutter assembly according to claim 1 or 2, characterized in that the guide strips (21A, 21B) are each configured as a hole strip.

6. Roller shutter assembly according to claim 1 or 2, characterized in that the guide strips (21A, 21B) each snap-lock onto at least one retaining element of the roller sleeve (22) concerned.

7. Roller shutter assembly according to claim 1 or 2, characterized in that the roller sleeves (22) are each constructed as a plastic injection-molded part.

8. Roller shutter assembly according to claim 4, characterized in that the retaining elements are each configured as a retaining stud (32).

9. A winding sleeve, characterized in that it comprises a sleeve body (24) having at least one retaining element on a circumferential face of the sleeve body and a retaining web (36) which is formed rigidly in one piece on the circumferential face of the sleeve body (24) offset in the circumferential direction with respect to the retaining element and has an axial orientation.

10. The roll sleeve according to claim 9, characterized in that the retaining sheet (36) is elastically configured.

11. A roll sleeve according to claim 9 or 10, characterised in that the retaining piece (36) overlaps a recess which is formed on the circumference of the sleeve body (24).

12. A roller sleeve according to claim 9 or 10, characterized in that at least one rib (28) extending in the axial direction is configured on the sleeve body (24) such that the sleeve body can be inserted in a rotationally fixed manner into a roller tube for a roller web.

13. A roll sleeve according to claim 9 or 10, characterized in that the roll sleeve is a plastic injection-molded part.